51677743 has 8 divisors (see below), whose sum is σ = 55899200. Its totient is φ = 47491488.

The previous prime is 51677741. The next prime is 51677749. The reversal of 51677743 is 34777615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51677743 - 2¹ = 51677741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51677696 and 51677705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5703 + ... + 11656.

It is an arithmetic number, because the mean of its divisors is an integer number (6987400).

Almost surely, 2^51677743 is an apocalyptic number.

51677743 is a deficient number, since it is larger than the sum of its proper divisors (4221457).

51677743 is a wasteful number, since it uses less digits than its factorization.

51677743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17601.

The product of its digits is 123480, while the sum is 40.

The square root of 51677743 is about 7188.7233219814. The cubic root of 51677743 is about 372.4784738998.

The spelling of 51677743 in words is "fifty-one million, six hundred seventy-seven thousand, seven hundred forty-three".